Structure and gear shifting method of a solid-shaft synchronous double-countershaft transmission

A technology of double intermediate shafts and intermediate shafts is applied in the directions of transmission parts, gear transmissions, belts/chains/gears, etc., which can solve the problems of high manufacturing cost, small layout space, and large layout space, so as to reduce production costs, The effect of small layout space and low production cost

Active Publication Date: 2017-07-11
DONGFENG COMML VEHICLE CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0005] The purpose of the present invention is to overcome the problems of large layout space and high manufacturing cost in the prior art, and provide a solid shaft synchronous double countershaft transmission structure with small layout space and low manufacturing cost and its shifting method

Method used

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  • Structure and gear shifting method of a solid-shaft synchronous double-countershaft transmission

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Embodiment 1

[0071] see figure 1 , a solid shaft synchronous double countershaft transmission structure, including a solid input shaft 1 and a hollow input shaft 2, the solid input shaft 1 is driven and matched with the output shaft 5 through an odd gear counter shaft 3, and the hollow input shaft 2 is passed through Even-number gear intermediate shaft 4 is in transmission cooperation with output shaft 5; the solid input shaft 1 is sequentially sleeved with a solid shaft fixed synchronous gear 11 and a solid shaft fixed gear 12 from its head end to its end, and the solid shaft is fixed The gear 12 meshes with the odd-numbered countershaft solid-connected gear 31 and the even-numbered countershaft idler gear 44 respectively, and the solid shaft fixed-connected synchronous gear 11 meshes with the even-numbered countershaft idler synchronous gear 42. The intermediate shaft 4 is provided with even-numbered gear intermediate shaft solid connection gear 41, even-numbered intermediate shaft idler...

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Abstract

The invention discloses a dual-countershaft transmission structure with a synchronous solid shaft and a shifting method of the dual-countershaft transmission structure. The dual-countershaft transmission structure comprises a solid input shaft and a hollow input shaft, wherein the solid input shaft is in transmission matching with an output shaft through an odd-gear countershaft, the hollow input shaft is in transmission matching with the output shaft through an even-gear countershaft, the solid input shaft is sequentially sleeved with a solid shaft fixed connecting synchronous gear and a solid shaft fixed connecting gear from the first end to the tail end, the solid shaft fixed connecting gear is respectively meshed with an odd-gear countershaft fixed connecting gear and an even-gear countershaft hollow sleeve gear, the solid shaft fixed connecting synchronous gear is meshed with an even-gear countershaft hollow sleeve synchronous gear, the even-gear countershaft is respectively in transmission matching with the even-gear countershaft hollow sleeve synchronous gear and the even-gear countershaft hollow sleeve gear through a synchronous friction wheel, and the even-gear countershaft fixed connecting gear is meshed with a hollow shaft fixed connecting gear on the hollow input shaft. According to the dual-countershaft transmission structure disclosed by the invention, the structure is simple, the arrangement space is small, the maintenance is convenient, and the production cost is low.

Description

technical field [0001] The invention relates to a gearbox synchronous structure, in particular to a solid-shaft synchronous double countershaft transmission structure and a shifting method thereof, which are particularly suitable for simplifying the gearbox structure, optimizing the shifting mode, and reducing production costs. Background technique [0002] The dual-clutch transmission enables the vehicle to automatically shift gears without power interruption, which not only makes the driving of the car easier, but also effectively improves the comfort, power and safety of the car. [0003] The Chinese patent application publication number is CN103032528A, and the application publication date is April 10, 2013. The invention patent discloses a double intermediate shaft DCT structure and its gear ratio calculation method, including double clutches, solid input shafts and hollow input shafts. One end of the coaxially arranged solid input shaft and the hollow input shaft are c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H3/12F16H3/093F16H57/023
CPCF16H3/093F16H3/12F16H57/023F16H2057/02086
Inventor 张成海殷政魏为民刘旭
Owner DONGFENG COMML VEHICLE CO LTD
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